[INFO] fetching crate oprec 0.1.0...
[INFO] building oprec-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate oprec 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate oprec 0.1.0
[INFO] finished tweaking crates.io crate oprec 0.1.0
[INFO] tweaked toml for crates.io crate oprec 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oprec 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52161a72d2bfd6f9f7d60d8ba5a6bd912df9e2765e8e8581af32ea6f009201ae
[INFO] running `Command { std: "docker" "start" "-a" "52161a72d2bfd6f9f7d60d8ba5a6bd912df9e2765e8e8581af32ea6f009201ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52161a72d2bfd6f9f7d60d8ba5a6bd912df9e2765e8e8581af32ea6f009201ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52161a72d2bfd6f9f7d60d8ba5a6bd912df9e2765e8e8581af32ea6f009201ae", kill_on_drop: false }`
[INFO] [stdout] 52161a72d2bfd6f9f7d60d8ba5a6bd912df9e2765e8e8581af32ea6f009201ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fcead7bd785d8683d9eefc6c681e029615bc63bf70c322bb3e882be0fc57ff9
[INFO] running `Command { std: "docker" "start" "-a" "1fcead7bd785d8683d9eefc6c681e029615bc63bf70c322bb3e882be0fc57ff9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling oprec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout]  69 |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_oprec_method_intermediate` which comes from the expansion of the macro `impl_oprec_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "1fcead7bd785d8683d9eefc6c681e029615bc63bf70c322bb3e882be0fc57ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcead7bd785d8683d9eefc6c681e029615bc63bf70c322bb3e882be0fc57ff9", kill_on_drop: false }`
[INFO] [stdout] 1fcead7bd785d8683d9eefc6c681e029615bc63bf70c322bb3e882be0fc57ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e92eefcd98112ef55e78438f62525e482343bd29bd3c60bcf77298024cd8c5
[INFO] running `Command { std: "docker" "start" "-a" "91e92eefcd98112ef55e78438f62525e482343bd29bd3c60bcf77298024cd8c5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling oprec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout]  69 |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_oprec_method_intermediate` which comes from the expansion of the macro `impl_oprec_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout]  69 |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_oprec_method_intermediate` which comes from the expansion of the macro `impl_oprec_method` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "91e92eefcd98112ef55e78438f62525e482343bd29bd3c60bcf77298024cd8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e92eefcd98112ef55e78438f62525e482343bd29bd3c60bcf77298024cd8c5", kill_on_drop: false }`
[INFO] [stdout] 91e92eefcd98112ef55e78438f62525e482343bd29bd3c60bcf77298024cd8c5
